<template>
  <el-upload
    class="upload-demo"
    ref="upload"
    action=""
    :on-preview="handlePreview"
    :on-remove="handleRemove"
    :file-list="fileList"
    :auto-upload="false"
    :disabled="disabled"
  >
    <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
    <!-- <el-button
      style="margin-left: 10px"
      size="small"
      type="success"
      @click="submitUpload"
      >上传到服务器</el-button
    > -->
    <div slot="tip" class="el-upload__tip">
      <!-- 只能上传jpg/png文件，且不超过500kb -->
    </div>
  </el-upload>
</template>
<script>
export default {
  props: {
    value: {
      type: [Array, null],
      default: () => [],
      require: true,
    },
    disabled: {
      type: Boolean,
      default: false,
    },
  },
  data() {
    return {};
  },
  computed: {
    fileList: {
      get() {
        return this.value || [];
      },
      set(val) {
        this.$emit("input", val || []);
      },
    },
  },
  methods: {
    submitUpload() {
      this.$refs.upload.submit();
    },
    handleRemove(file, fileList) {
      console.log(file, fileList);
    },
    handlePreview(file) {
      console.log(file);
    },
  },
};
</script>
<style lang="scss" scoped></style>
